PropKaki
HDBOCRChoa Chu Kang

Block 427 Choa Chu Kang Ave 4

427 Choa Chu Kang Ave 4, Singapore 680427

Reviewed by Nathan TangUpdated 21 June 2026Data through Aug 2025 (HDB)
Quick Summary

Block 427 Choa Chu Kang Ave 4 is an HDB block in Choa Chu Kang, completed in 1990, with 88 dwelling units. 4-Room flats have recently resold around S$519k (104 sqm), from 101 resales on record. The lease has approximately 66 years remaining.

1

What are the key facts about Block 427 Choa Chu Kang Ave 4?

Key Takeaway

Block 427 Choa Chu Kang Ave 4 is an HDB block in Choa Chu Kang, completed in 1990, with 88 dwelling units.

Town
Choa Chu Kang
Planning area
Choa Chu Kang
Completed
1990
Storeys
12
Total units
88
Market segment
OCR
Median resale
S$519k
Last transacted
Aug 2025
Remaining lease
≈ 66 years
2

What are resale prices at Block 427 Choa Chu Kang Ave 4?

Key Takeaway

4-Room flats have recently resold around S$519k (S$444 psf), from 101 resales on record (HDB caveat data).

Flat typeResalesMedian priceSizePSF
4-Room74S$480,000recent104 sqmS$429 psf
5-Room27S$455,000recent132 sqmS$320 psf

“Recent” medians use the latest transactions; for older blocks the all-time median spans 30+ years and understates today’s price. Source: HDB resale caveats, through Aug 2025.

3

What has recently sold at Block 427 Choa Chu Kang Ave 4?

Key Takeaway

Block 427 Choa Chu Kang Ave 4 has 101 recorded resales; the most recent transacted at S$660,000 in Aug 2025 (HDB caveat data).

DateFlat typeStoreySizePrice
Aug 20255-Room07 TO 09132 sqmS$660,000
May 20254-Room07 TO 09104 sqmS$565,000
May 20255-Room07 TO 09132 sqmS$665,000
Jan 20254-Room01 TO 03104 sqmS$510,000
Sept 20244-Room07 TO 09104 sqmS$518,888
Sept 20244-Room10 TO 12104 sqmS$535,000
Jul 20244-Room01 TO 03104 sqmS$497,000
Mar 20244-Room01 TO 03104 sqmS$480,000
Mar 20234-Room10 TO 12104 sqmS$493,000
Jan 20225-Room10 TO 12132 sqmS$558,000
Oct 20215-Room01 TO 03132 sqmS$530,000
Sept 20204-Room07 TO 09104 sqmS$370,000
4

What flat types are in Block 427 Choa Chu Kang Ave 4?

Key Takeaway

Block 427 Choa Chu Kang Ave 4 has 88 units, mostly 4-Room flats.

Unit stock by flat type, from the HDB property information dataset.

4-Room: 665-Room: 22
5

How far is Block 427 Choa Chu Kang Ave 4 from MRT and schools?

Key Takeaway

The nearest MRT/LRT to Block 427 Choa Chu Kang Ave 4 is South View LRT, about 618 m away (~10 min walk). 4 schools are within 1 km, including 3 primary schools.

Getting around

Schools nearby

Flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Bukit Panjang Govt. High SchoolSecondary schoolwithin 1 km217 m
  • Concord Primary SchoolPrimary schoolwithin 1 km · P1 priority405 m
  • Chua Chu Kang Primary SchoolPrimary schoolwithin 1 km · P1 priority417 m
  • South View Primary SchoolPrimary schoolwithin 1 km · P1 priority729 m
  • Kranji Secondary SchoolSecondary school1.0 km
  • Teck Whye Primary SchoolPrimary school1.5 km
  • De La Salle SchoolPrimary school1.6 km
  • Kranji Primary SchoolPrimary school1.6 km

Shops, food & parks

Mall: Lot One · 740 mSupermarket: Ang Ken Chua · 197 m

Straight-line distances from the block. Source: PropKaki amenities data.

6

What does it cost to buy a flat at Block 427 Choa Chu Kang Ave 4?

Key Takeaway

Buying a flat at Block 427 Choa Chu Kang Ave 4 (~S$519k) needs about S$4,136/mo in income and S$1,948/mo in repayments, after S$10,167 stamp duty and a S$130k downpayment.

Illustrative, for a buyer at the recent median resale price (S$519k) — 25% downpayment (bank-loan basis), 25-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →

Buyer's Stamp Duty

S$10,167

BSD, tiered

Downpayment (25%)

S$130k

cash + CPF

Monthly instalment

S$1,948/mo

25y @ 3.5%

Income required

S$4,136/mo

MSR/TDSR @ stress rate

First-time HDB buyers pay no Additional Buyer’s Stamp Duty (ABSD) and may qualify for CPF Housing Grants of up to S$80,000+, which lower the cash required — these are not included above. An HDB concessionary loan also allows a smaller downpayment.

7

Frequently asked questions about Block 427 Choa Chu Kang Ave 4

What is the resale price at Block 427 Choa Chu Kang Ave 4?

4-Room flats at Block 427 Choa Chu Kang Ave 4 have recently resold around S$519k (104 sqm), based on HDB resale caveats. Resale prices vary by flat type, floor and remaining lease.

How much are flats at Block 427 Choa Chu Kang Ave 4 by flat type?

4-Room ≈ S$480k; 5-Room ≈ S$455k. Figures are median resale prices from HDB caveats.

How many years are left on the lease at Block 427 Choa Chu Kang Ave 4?

Block 427 Choa Chu Kang Ave 4 has approximately 66 years left on its 99-year lease (completed 1990). This figure is taken from the most recent transacted flat.

How many units are in Block 427 Choa Chu Kang Ave 4?

Block 427 Choa Chu Kang Ave 4 has 88 dwelling units across up to 12 storeys, mostly 4 room flats.

What is the nearest MRT to Block 427 Choa Chu Kang Ave 4?

The nearest MRT/LRT station to Block 427 Choa Chu Kang Ave 4 is South View LRT, about 618 m away (~10 min walk).

Which primary schools are within 1 km of Block 427 Choa Chu Kang Ave 4?

Concord Primary School, Chua Chu Kang Primary School, South View Primary School are within 1 km of Block 427 Choa Chu Kang Ave 4 — flats within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

Is Block 427 Choa Chu Kang Ave 4 a good place to buy an HDB resale flat?

Block 427 Choa Chu Kang Ave 4 sits in Choa Chu Kang, in the Choa Chu Kang planning area. Whether it suits you depends on your budget, the flat type, the remaining lease (≈66 years) and proximity to MRT and schools — all of which are summarised on this page from HDB resale data.

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